1.Member States shall bring into force the laws, regulations and administrative provisions necessary to comply with this Directive by 23 September 2018. They shall immediately inform the Commission thereof.
When Member States adopt those measures, they shall contain a reference to this Directive or shall be accompanied by such a reference on the occasion of their official publication. The methods of making such reference shall be laid down by Member States.
2.Member States shall communicate to the Commission the text of the main measures of national law which they adopt in the field covered by this Directive.
3.Member States shall apply those measures as follows:
(a)to websites of public sector bodies not published before 23 September 2018: from 23 September 2019;
(b)to websites of public sector bodies not covered by point (a): from 23 September 2020;
(c)to mobile applications of public sector bodies: from 23 June 2021.